This isolated primary regulated flyback converter reference design provides a total of eight output voltages. These outputs consist of four isolated pairs of +18V and -5.1 V outputs with three pairs capable of 25 mA maximum and one capable of 75 mA maximum. These outputs are designed to be used as an IGBT driver bias supply for a total of six IGBTs (25 mA for three high-side drivers and 75 mA for three low-side drivers). It operates over an input voltage range of 7 V - 32 V in a compact form factor with a single transformer.
Application Area | End Equipment |
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Traction inverter-high voltage | https://www.ti.com/solution/traction-inverter-high-voltage#referencedesigns |